The LA9FJ4H4H is a mechanical interlock from the TeSys F range, designed to physically prevent two or three contactors from closing simultaneously. It mounts in a 3-vertical stack, fitting between LC1F265 through LC1F330 3P or 4P contactors (bottom and middle positions), and LC1F400 2P, 3P, or 4P units (top position). CR1F265 and CR1F400 reversing contactors also slot into the same positions.
Schneider LA9FJ4H4H TeSys F Mechanical Interlock, 3 Vertical
MPNLA9FJ4H4H
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Schneider Electric TeSys F, LA9FJ4H4H, mechanical interlock for 3 vertical contactors, interlocks LC1F265–LC1F330 and LC1F400 series.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Product / component type | Mechanical interlock |
| Accessory category | Interlocking accessory |
| Product range | TeSys |
| Parameter | Value |
|---|---|
| Device short name | LA9F |
| Interlocking type | Mechanical |
| Mounting position | 3 vertical |
| Interlocked device | Bottom LC1F265...LC1F330 3P or 4P Bottom CR1F265 3P or 4P Middle LC1F265...LC1F330 3P or 4P Middle CR1F265 3P or 4P Top LC1F400 2P or 3P or 4P Top CR1F400 3P or 4P |
Product details
Frequently asked questions
Which contactors does this interlock work with?
It interlocks LC1F265 through LC1F330 3P or 4P contactors (bottom and middle positions), LC1F400 2P, 3P, or 4P (top position), and CR1F265 or CR1F400 reversing contactors in the same positions.
What is the mounting configuration?
Three contactors mounted vertically, with the interlock installed between them. No special tools or brackets beyond the contactor's own mounting hardware.
MPN
LA9FJ4H4H